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There are a wide variety of contact lenses available. The different types of contact lenses include different materials such as soft, rigid gas permeable and hard. Other variations for prescription contact lenses include the replacement schedule and the wear schedule. There are also contact lenses for specific vision problems. Toric lenses are used for those with astigmatism while bifocal contact lenses are used for those with presbyopia. There are even prescription and non-prescription contact lenses which can be used to change the color, shape or appearance of the eye. Talk to your eye care provider about the type of lenses that are right for you.